The image is a screen grab from a video the two starred in for the 2014 White House Correspondents Dinner, where Louis-Dreyfus (in character as Selina Meyer) and Biden got up to shenanigans in Washington D.C.

STUDIO CITY, CA - APRIL 3: (NO U.S TABLOID SALES) Actress Julia Louis Dreyfus smiles as she reads a script during the last days of shooting the hit tv show 'Seinfeld' April 3, 1998 in Studio City, California. (Photo by David Hume Kennerly/Getty Images)

UNITED STATES - SEPTEMBER 16: Julia Louis-Dreyfus arrives for the 59th Emmy Awards at Shrine Auditorium in Los Angeles, California, U.S., Sunday, Sept. 16, 2007. The Emmys are awarded annually by the Academy of Television Arts and Sciences for outstanding achievement in television. (Photo by Francis Specker/Bloomberg via Getty Images)

The 56-year-old actress revealed her diagnosis on Twitter, writing, "1 in 8 women get breast cancer. Today, I'm the one. The good news is that I have the most glorious group of supportive and caring family and friends, and fantastic insurance through my union."

"The bad news is that not all women are so lucky," she added. "So let's fight all cancers and make universal healthcare a reality."